System Center 2012 R2 Update Rollup 4

All instructions about the Rollup and download links can be found here

Desired State Configuration Wave 8

Wave 8 includes new xDSC resources: link for Download
but first you have to install the Microsoft Management Framework 5.0 : link for Download

KB300850 - Storage Spaces Update for Windows Server 2012 R2

New November update. please follow the following instruction if you have Spaces and SoFs in place

http://technet.microsoft.com/en-us/library/dn858079.aspx

The installation takes very long. About 12-15 min. On VMs deployed fresh with SP1 there could be an error when you deploy all updates once. Tip: Deploy all updates except the KB 3000850. Reboot deploy KB 3000850.
 

If you receive any errors during installation, or the installation failes, please install this patch
Hyper-V: Update List for Windows Server 2012 R2
Recommended hotfixes and updates for Windows Server 2012 R2-based failover clusters
List of currently available hotfixes for the File Services technologies in Windows Server 2012 R2